title: Segmental biliary obstruction: diagnostic significance of bile duct crowding.
mesh_terms: D000368:Aged; D002758:Cholangiography; D002780:Cholestasis, Intrahepatic / Q000175:diagnosis* / Q000601:surgery; D005260:Female; D006801:Humans; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography